ExecStats.h

Go to the documentation of this file.

#pragma once

#include <memory>
#include <vector>
#include <string>
#include <chrono>

namespace dev
{
namespace evmjit
{

enum class ExecState
{
        Started,
        CacheLoad,
        CacheWrite,
        Compilation,
        Optimization,
        CodeGen,
        Execution,
        Return,
        Finished
};

class JITListener
{
public:
        JITListener() = default;
        JITListener(JITListener const&) = delete;
        JITListener& operator=(JITListener) = delete;
        virtual ~JITListener() {}

        virtual void executionStarted() {}
        virtual void executionEnded() {}

        virtual void stateChanged(ExecState) {}
};

class ExecStats : public JITListener
{
public:
        using clock = std::chrono::high_resolution_clock;
        using duration = clock::duration;
        using time_point = clock::time_point;

        std::string id;
        duration time[(int)ExecState::Finished] = {};

        void stateChanged(ExecState _state) override;

private:
        ExecState m_state = {};
        time_point m_tp = {};

};


class StatsCollector
{
public:
        std::vector<std::unique_ptr<ExecStats>> stats;

        ~StatsCollector();
};

}
}